| 无线通信领域中自动增益控制电路的研究 |
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| 引用本文： | 王中文,孙延辉,石广源.无线通信领域中自动增益控制电路的研究[J].辽宁大学学报(自然科学版),2007,34(1):15-17. |
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| 作者姓名： | 王中文 孙延辉 石广源 |
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| 作者单位： | 辽宁大学,物理系,辽宁,沈阳,110036 |
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| 摘 要： | 分析了自动增益技术原理，以及实现自动增益控制（AGC）电路的两种基本方法，概括了这两种方法在噪声和线性方面的区别．并给出了它们各自三阶互调失真的表达式，最后又对AGC放大器和乘法器进行了分析和比较．通过对AGC基本电路的分析和比较，为实际的AGC电路的设计打下了基础．
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| 关 键 词： | 自动增益控制（AGC） 三阶互调失真 噪声 |
| 文章编号： | 1000-5846（2007）01-0015-03 |
| 修稿时间： | 2006-05-16 |
Research on Automatic Gain Control Circuit in the Wireless Communications Domain |
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| WANG Zhong-wen,SUN Yan-hui,SHI Guang-yuan.Research on Automatic Gain Control Circuit in the Wireless Communications Domain[J].Journal of Liaoning University(Natural Sciences Edition),2007,34(1):15-17. |
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| Authors: | WANG Zhong-wen SUN Yan-hui SHI Guang-yuan |
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| Institution: | Department of Physics, Liaoning University, Shenyang 110036, China |
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| Abstract: | In this paper, the theory of AGC, and two common approaches for AGC circuits are analyzed. The differences in linearity and noise performance between the two approaches are outlined, and the third - order intermodulation distortions are given. It also analyzes and compare the theory of AGC Amplifier and Multiplier. For practical purposes, this paper will be basic for the design of AGC circuits by analyzing and compare the AGC basic circuits. |
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| Keywords: | automatic gain control third- order intermodulation distortion noise |
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